74 lines
1.5 KiB
C#
74 lines
1.5 KiB
C#
//-------------------------------------------------
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// NGUI: Next-Gen UI kit
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// Copyright © 2011-2019 Tasharen Entertainment Inc
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//-------------------------------------------------
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using UnityEngine;
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/// <summary>
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/// Tween the sprite's fill.
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/// </summary>
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[RequireComponent(typeof(UIBasicSprite))]
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[AddComponentMenu("NGUI/Tween/Tween Fill")]
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public class TweenFill : UITweener
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{
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[Range(0f, 1f)] public float from = 1f;
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[Range(0f, 1f)] public float to = 1f;
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bool mCached = false;
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UIBasicSprite mSprite;
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void Cache ()
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{
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mCached = true;
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mSprite = GetComponent<UISprite>();
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}
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/// <summary>
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/// Tween's current value.
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/// </summary>
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public float value
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{
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get
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{
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if (!mCached) Cache();
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if (mSprite != null) return mSprite.fillAmount;
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return 0f;
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}
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set
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{
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if (!mCached) Cache();
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if (mSprite != null) mSprite.fillAmount = value;
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}
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}
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/// <summary>
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/// Tween the value.
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/// </summary>
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protected override void OnUpdate (float factor, bool isFinished) { value = Mathf.Lerp(from, to, factor); }
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/// <summary>
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/// Start the tweening operation.
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/// </summary>
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static public TweenFill Begin (GameObject go, float duration, float fill)
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{
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TweenFill comp = UITweener.Begin<TweenFill>(go, duration);
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comp.from = comp.value;
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comp.to = fill;
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if (duration <= 0f)
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{
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comp.Sample(1f, true);
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comp.enabled = false;
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}
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return comp;
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}
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public override void SetStartToCurrentValue () { from = value; }
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public override void SetEndToCurrentValue () { to = value; }
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}
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